/**
 * CSE 373, Winter 2011, Jessica Miller
 * An interface that defines the operations for the Map ADT.
 */
public interface Map<K, V> {
    public boolean containsKey(K key);  
    public V get(K key);   
    public void print();
    public void put(K key, V value);
    public V remove(K key);
    public int size();
}